Friction bolt (Split sets)
FB-33-39-46
nominal size 33mm, 39mm,46mm
Quantity:
Friction bolt (Split sets): The split bolt is a new type of anchor that fully anchors the rock and actively strengthens the surrounding rock, mining bolt.
Friction bolt (Split sets) is roll formed into a C shape bolt with slot by high tensile steel band,which one end is tapered for easily inserting bolt into drilling hole.The other end is welded a ring to hold the bearing plate.
Friction bolt (Split sets) Features & Advantages
1. Made from high strength steel band
2. Immediate frictional support in axial and radial
3. Independent support without plate
4. Easy for installation
5. Simple design, cost saving
6. Available in black, cold galvanized or hot dip galvanized
7.Accessorise: Bearing plate, Driver, Pull collar
Dimensions & mechanical properties for Friction bolt (Split sets)
Dimension | FB-33 | FB-39 | FB-46 |
Taper diameter /mm | 28 | 30 | 38 |
Taper diameter /mm | 60 | 65 | 65 |
Slot width /mm | 13 | 16 | 22 |
Bolt size /mm | 33 | 39 | 46 |
Steel thickness/mm | 2.5 | 2.5 | 3 |
min breaking load/kN | 71 | 89 | 133 |
typical breaking load/kN | 107 | 124 | 178 |
Anchor plate for Friction bolt (Split sets)
FB-33 | FB-39 | FB-46 | |
Dimestion/mm | 150x150 | 150x150 | 150x150 |
Thickness/mm | 4 | 4 | 5 |
Applications:
In underground mines
In underground mines
In tunnels and other excavations
And above ground